package com.shaokel.controller.admin;

import com.shaokel.pojo.User;
import com.shaokel.service.UserService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

/**
 * @author 少丶客
 * @ClassName LoginController
 * @Description TODO
 * @Date 2020/6/24 11:30
 * @Vesion 1.0
 */
@Controller
@RequestMapping("/admin")
public class LoginController {

    @Autowired
    private UserService userService;

    //登录页面
    @GetMapping
    public String loginPage(){
        return "admin/login";
    }

    //判断登录用户名和密码是否正确
    @PostMapping("/login")
    public String login(@RequestParam String username,
                        @RequestParam String password,
                        HttpSession session,
                        RedirectAttributes attributes){
        User user = userService.checkUser(username, password);
        if(user!=null){
            user.setPassword(null);//防止密码被获取
            session.setAttribute("user",user);
            return "admin/index";
        }else{
            attributes.addFlashAttribute("message","用户名和或密码错误");
            return "redirect:/admin";
        }
    }

    //注销功能
    @GetMapping("logout")
    public String logout(HttpSession session){
        session.removeAttribute("user");
        return "redirect:/admin";
    }

}